docs: def process_event(self, event, ipmicmd, seldata):
          """Modify an event according with OEM understanding.
  
          Given an event, allow an OEM module to augment it.  For example,
          event data fields can have OEM bytes.  Other times an OEM may wish
          to apply some transform to some field to suit their conventions.
          """
          event['oem_handler'] = None
          evdata = event['event_data_bytes']
          if evdata[0] & 0b11000000 == 0b10000000:
              event['oem_byte2'] = evdata[1]
          if evdata[0] & 0b110000 == 0b100000:
              event['oem_byte3'] = evdata[2]